Year % of GDP 2000 0.8254180631688326 2001 0.873913242426872 2002 0.8975357565348332 2003 0.9532306320889816 2004 0.964213092506663 2005 1.0203040913524806 2006 1.0275458398980095 2007 1.0604820500295304 2008 1.0972017675180903 2009 1.2742280809580098 2010 1.317416932560721 2011 1.2905823486080015 2012 1.4297768764347758 2013 1.4734851488099785 2014 1.5359459745478634 2015 1.609476828024205 2016 1.6756077404224574 2017 1.669430954380528 2018 1.6944088004922266 2019 1.7964487938753402 2020 1.954481635610004 2021 2.0764106054438725